Small docs updates

docs.html

@@ -111,12 +111,21 @@ <h1><code>data-multiple</code></h1>
 			<li><code>&lt;tr></code> without any other <code>&lt;tr></code>s adjacent to it</li>
 		</ul>
 
-		<p>For example, this could be the markup for a basic to-do list, saved locally:</p>
-		<script type="text/plain">
-			<ul data-store="#todo">
-				<li></li>
-			</ul>
-		</script>
+		<section class="example">
+			<p>For example, this could be the markup for a basic to-do list, saved locally:</p>
+			<script type="text/plain">
+				<ul data-store="#todo">
+					<li property="task">
+						<input type="checkbox" property="done" />
+						<span property="title">Sample task</span>
+					</li>
+				</ul>
+			</script>
+
+			<p>Note that the <code>&lt;li></code> element is automatically turned into a collection, even though we did not specify a <code>data-multiple</code> attribute.</p>
+		</section>
+
+
 	</article>
 	<article>
 		<h1><code>typeof</code> or <code>itemscope</code> or <code>itemtype</code></h1>
@@ -205,6 +214,7 @@ <h1>Advanced expressions: <code>${code}</code></h1>
 			<li>Any property that can be used in simple expressions (including ancestor and child properties) can be used as a variable.</li>
 			<li>Multiplied elements (a.k.a. collections) are arrays. Scopes are plain objects.</li>
 			<li>Properties inside collections can also be accessed as a simple variable, whose value will be an array with all values of that property accross the collection.</li>
+			<li>There are several convenient functions for aggregate calculations on these properties that have multiple values, such as: <code>sum()</code>, <code>min()</code>, <code>max()</code>, <code>average()</code>.</li>
 		</ul>
 
 		<section class="example">

website/style.css

@@ -20,7 +20,8 @@ pre, code, .example script[type='application/json'] {
   tab-size: 4;
   -webkit-hyphens: none;
   -ms-hyphens: none;
-  hyphens: none; }
+  hyphens: none;
+  white-space: pre; }
 
 /* Code blocks */
 pre {

website/style.scss

@@ -27,6 +27,7 @@ pre, code, .example script[type='application/json'] {
 	font-family: Consolas, Monaco, 'Andale Mono', 'Ubuntu Mono', monospace;
 	tab-size: 4;
 	hyphens: none;
+	white-space: pre;
 }
 
 	/* Code blocks */